Home / 130,225,792.61-179,704,994.16-77,304,762.35

Finding the Fourth Proportional to 130,225,792.61, 179,704,994.16 and 77,304,762.35

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Solution

The fourth proportional to 130,225,792.61, 179,704,994.16 and 77,304,762.35 is: 106,676,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,225,792.61 : 179,704,994.16 = 77,304,762.35 : x
  2. Step 2: Convert to fraction form
    130,225,792.61/179,704,994.16 = 77,304,762.35/x
  3. Step 3: Cross multiply
    130,225,792.61x = 179,704,994.16 × 77,304,762.35
  4. Step 4: Simplify right side
    130,225,792.61x = 13,892,051,865,748,412
  5. Step 5: Solve for x
    x = 13,892,051,865,748,412/130,225,792.61
  6. Step 6: Final answer
    x = 106,676,654.35

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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.