Home / 108,779,956.60-162,792,021.30-99,710,030.20

Finding the Fourth Proportional to 108,779,956.60, 162,792,021.30 and 99,710,030.20

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Solution

The fourth proportional to 108,779,956.60, 162,792,021.30 and 99,710,030.20 is: 149,218,641.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,779,956.60 : 162,792,021.30 = 99,710,030.20 : x
  2. Step 2: Convert to fraction form
    108,779,956.60/162,792,021.30 = 99,710,030.20/x
  3. Step 3: Cross multiply
    108,779,956.60x = 162,792,021.30 × 99,710,030.20
  4. Step 4: Simplify right side
    108,779,956.60x = 16,231,997,360,142,044
  5. Step 5: Solve for x
    x = 16,231,997,360,142,044/108,779,956.60
  6. Step 6: Final answer
    x = 149,218,641.63

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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.