Home / 98,779,477.60-148,169,216.40-96,889,909.60

Finding the Fourth Proportional to 98,779,477.60, 148,169,216.40 and 96,889,909.60

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Solution

The fourth proportional to 98,779,477.60, 148,169,216.40 and 96,889,909.60 is: 145,334,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,779,477.60 : 148,169,216.40 = 96,889,909.60 : x
  2. Step 2: Convert to fraction form
    98,779,477.60/148,169,216.40 = 96,889,909.60/x
  3. Step 3: Cross multiply
    98,779,477.60x = 148,169,216.40 × 96,889,909.60
  4. Step 4: Simplify right side
    98,779,477.60x = 14,356,101,982,498,838
  5. Step 5: Solve for x
    x = 14,356,101,982,498,838/98,779,477.60
  6. Step 6: Final answer
    x = 145,334,864.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.