Home / 92,852,774.64-128,001,779.55-64,888,666.20

Finding the Fourth Proportional to 92,852,774.64, 128,001,779.55 and 64,888,666.20

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Solution

The fourth proportional to 92,852,774.64, 128,001,779.55 and 64,888,666.20 is: 89,451,982.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,852,774.64 : 128,001,779.55 = 64,888,666.20 : x
  2. Step 2: Convert to fraction form
    92,852,774.64/128,001,779.55 = 64,888,666.20/x
  3. Step 3: Cross multiply
    92,852,774.64x = 128,001,779.55 × 64,888,666.20
  4. Step 4: Simplify right side
    92,852,774.64x = 8,305,864,746,225,936
  5. Step 5: Solve for x
    x = 8,305,864,746,225,936/92,852,774.64
  6. Step 6: Final answer
    x = 89,451,982.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.